Leisure battery's.. How big ?

Discussion in 'Motorhome Chat' started by Charlie, Aug 14, 2015.

  1. Charlie

    Charlie Funster

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    Been reading a bit about leisure battery's. Not that our one is knackered its just fine..

    But I'm wondering how big in amps these things go ? The jury is still out as to whether we will fit a solar set up. I think we will but having a really big LB might mean we don't need solar. As I say the jury is still out .
     
  2. funflair

    funflair Funster Life Member

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    You can just keep wiring them together to make as big as you like but it can all get very heavy and bulky and in my opinion 200ah should be enough for most people, it all depends what you use and how you use it, do you drive regularly or stay parked for days on end, the langer you stay parked the more requirement for solar panel.

    Martin
     
  3. Stealaway

    Stealaway Funster

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    You must make sure they fastened down securely and venting to the out side.
    I have 2 x 95a Varta Silver Dynamic AGM. They will run the 240v 24" TV for 3 hours without any problem.
     
  4. stcyr

    stcyr Funster

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    In our old Merc 608 we had an 80w solar panel & 2 110a batteries. These served us perfectly for 2 years fulltiming in West Wales - 2 winters included.
    Now we have a 50w & an 80w panel with one 110 battery - been fine over last 4 years ....
     
  5. TheBig1

    TheBig1 Funster Life Member

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    the new calcium leisure batteries will get you 130ah in the same size as an old 110ah and not much more expensive. plus they have double the rated charging cycle life too
     
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  6. Charlie

    Charlie Funster

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    Looking at these Calcium battery's tells me its possible to get a 225 amp one !
     
  7. funflair

    funflair Funster Life Member

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    But can you fit it in anywhere?.
     
  8. Shrimp64

    Shrimp64 Funster

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    We have 2 x 110 batts and a solar panel on roof. All the internal lights are now LEDs and the TV doesn't take much.
    We have managed 6 weeks with no EHU in this country in August! And that's charging iPads, phones & watching TV every night!
    At least with a solar panel you know your batts are getting recharged and you don't have to go for a drive to do same.
     
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  9. Terry

    Terry Funster

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    Hi I have never needed solar until this year.Managed with my old van fine for 4/5 days but usually went for a drive to shops or wherever -Now I have fitted a 100 w panel to the new van simply because they are so cheap now £110 for 100w panel and fitting kit onto 2 x 110 amp hr batts -Started to struggle for power after 3 nights parked up without moving etc because I fell asleep with 12v tv on all night and hammered batts with a microwave :LOL: all the things you should not do ;):)You can get 2 x 110 amp hr batts for less than £130 which will be sufficient for most cases/ people
    terry
     
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  10. Don Quixote

    Don Quixote Funster

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    Why would you vent AGM batteries? - OP advise by @funflair is stop on.
     
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  11. Jaws

    Jaws Funster Life Member

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    Such a difficult question to answer !
    It depends on such things as:

    How long at any one time you think you might be off grid
    How much tv you watch
    If you have LED type lights fitted

    For us, we are rigged to be off grid for up to 10 days at a time..

    To that end we have a pair of 145Ah Duracell batteries ( big buggers they are too ) , and three hundred watts of solar panel

    There is also the issue of payload.. If you are tight on payload that would limit what kit you can fit
     
  12. Jaws

    Jaws Funster Life Member

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    WARNING !!!!
    I note folk suggest all sorts of new tech batteries..
    DO NOT FIT THEM UNLESS YOUR CHARGING SYSTEM CAN BE SWITCHED TO THE TYPE YOU WANT TO USE.
    AGM batteries charge in the same way as flooded cells but units like gels, Li-On require very specific charging systems


    I regularly see gel batteries fitted to standard systems that die within 18 months..
    The way gel and flooded calls are charged is completely different..
    Same goes for the various other types too
    Do not be fooled by what a salesman tells you.. he is after as much of your money he can get and will not have a bloody clue about the techy side of things
     
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  13. Lenny HB

    Lenny HB Funster

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    Banner AGM's have a vent & mine are vented to the outside, they are a sealed battery but for extreme conditions they have an emergency vent valve, Gel's also have emergency venting.
     
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  14. Stealaway

    Stealaway Funster

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    It all depends on your life style.
    If you like to park for weeks off line then you could use bigger battery's and maybe solar panels.
    If you move on every couple of days you will be OK with two 85a.
    I still maintain that running your engine on tick over a couple of hours a day is never going to more expensive than installing solar.
    I have also read recently that a supplier of solar panel controls will no longer supply panels because of their short life when installed on flexible (moving) motor home roofs.
    Also - Why replace all your lights for LED. I have 8 halogen lights around the van, two of which are used intermittently.
    We have one light on in the evenings , albeit a short strip of LED's. Going to the expense of changing all the bulbs to LED when there are never used seems to me to a waste of time and money.
     
  15. Dorwyn

    Dorwyn Funster

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    My local Halfords manager assures me there's no need to vent batteries. Absolutely none. I noticed that some of their starter batteries had red plastic right angled vent connectors clipped to the top. Obviously pointless exercise by the manufacturer then.
     
  16. Lenny HB

    Lenny HB Funster

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    He is talking boll**ks & obviously doesn't understand the leisure industry.
     
  17. Jaws

    Jaws Funster Life Member

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    In all fairness I do not think there is a single light in our van that does not get used very regularly.. But of course, the basic premiss is quite correct

    I bought all by LED replacements ( about 12 x H4 type and TWELVE strip lights ) from http://www.banggood.com in china.. The whole lot came to £19 plus some pence including postage !!
    At that price it seemed rude not to change them all !

    EDIT:
    Just worked it out and there are 14 strip lights
     
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  18. Dorwyn

    Dorwyn Funster

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    Do you know, I thought that too!
     
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  19. Stealaway

    Stealaway Funster

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    At that price even I would buy them. Must have look round, they seem to have become much cheaper
     
  20. Jaws

    Jaws Funster Life Member

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    Banggood.com is and alibaba.com is where 99% of all the stuff you see on eBay comes from.. It is where most of the dealers source their stuff from ;)
     
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